External modems are communication devices that connect to a computer or network router through a wired connection, such as a serial or USB port. Unlike internal modems, which are installed inside a computer, external modems are standalone devices that can be easily connected or disconnected from a computer or network. External modems are commonly used in situations where a computer or network router does not have a built-in modem, or when a user needs to upgrade or replace an existing modem. External modems come in various types and speeds, ranging from basic 56Kbps modems to high-speed cable or DSL modems that can deliver speeds up to several hundred Mbps. Some external modems also include additional features such as built-in routers, Wi-Fi access points, or voice capabilities that allow users to make phone calls over the internet. One of the advantages of external modems is their ease of use and flexibility. Since they are not installed inside a computer, they can be easily moved or shared between multiple computers or networks. Additionally, external modems can be easily upgraded or replaced without the need to open up a computer or network router. However, external modems also have some disadvantages. They require an external power source, which can add clutter to a workspace, and they may not be as reliable as internal modems since they are exposed to external factors such as temperature and humidity. Additionally, external modems may be more expensive than internal modems due to their additional features and flexibility. In summary, external modems are standalone devices that provide a flexible and easy-to-use solution for connecting computers or network routers to the internet. While they may have some drawbacks compared to internal modems, their ease of use and flexibility make them a popular choice for many users.
communication devices, standalone devices, basic 56Kbps modems, high-speed cable or DSL modems, built-in routers, Wi-Fi access points, voice capabilities, ease of use, flexibility, external power source, reliability, temperature, humidity, expensive
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